Arthur Nemec was the senior technical manager for a telephone network. He was also responsible for sending commercial intelligence to Russia and was coerced into helping Arkady Bazin and his team track down Jack Bauer. The frequent dealings with Bazin and Ziminova took its toll on Nemec's sanity. The next day, around dawn, Nemec wrote a suicide note and shot himself in the head, unable to cope with being a traitor to America. (Deadline)